Window: showOpenFilePicker() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The showOpenFilePicker() method of the
Window interface shows a file picker that allows a user to select a file
or multiple files and returns a handle for the file(s).